Frisco police are seeking help identifying an armed man who robbed a Costco on Wednesday morning.

The man walked through the exit door of the store in the 11200 block of Dallas Parkway shortly before 11 a.m. He walked up to the exchange counter, showed the cashier a black handgun and asked for money, according to police.

The man is white, between 55 and 65 years old, about 5-foot-10, weighs between 230 and 260 pounds and has gray hair, according to a police description.

He was last seen wearing a dark T-shirt covering a light long-sleeve shirt, jeans and white athletic shoes. He wore a dark stocking, black sunglasses and a white surgical mask during the robbery.

Anyone with information is asked to call Frisco police at 972-292-6010.